var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');

var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');
var adminRouter = require('./routes/admin');
var houseRouter = require('./routes/house');
var posterRouter = require('./routes/poster');
var parkingRouter = require('./routes/parking');
var costRouter = require('./routes/cost');

var app = express();


/**
 * 聊天室端口监听
 */
let server = app.listen(1314);
let io = require('socket.io').listen(server);
//引入自己写的socket.io包
require('./socket/socket')(io);
// app.listen(port, () => console.log(`Example app listening on port ${port}!`))
/*io.on('connection', (socket) => {
    console.log('Socket 链接成功!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!');
});*/





// 设置跨域
app.all("*", (req,res,next)=>{      //app.all也是注册拦截器的语法，*用来匹配uri，表示所有的uri都拦截   //给响应的头注入key value
  res.header("Access-Control-Allow-Origin","*"); //*表示任意类型，所有都可以跨域，服务端开放跨域
  res.header("Access-Control-Allow-Headers","*");//允许的header类型
  res.header("Access-Control-Allow-Methods","*");//跨域允许的请求方式
  if (req.method.toLowerCase() == 'options')
    res.send(200);//让options尝试请求快速结束
  else
    next();
});

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'pug');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));


// const jwt = require('./util/jwt')
// global.globalKey="123456"
// app.use(async function (req,resp,next) {
//   let path=req.path
//   let token="";
//   if (req.body.token)  token=req.body.token
//   else token = req.query.token
//   console.log("-------------------------------------")
//   /**
//    * 拦截users
//    */
//   if (path.startsWith("/users")){
//     if (path.startsWith("/users/login")||
//         path.startsWith("/users/getUsersByTypePage")
//     ) {
//       next()
//       return
//     }
//     console.log("拦截users")
//     let result=await  jwt.verifysync(token,globalKey)
//     if (result.err){
//       jwtAlert(resp)
//       return
//     }else{
//       next()
//       return
//     }
//   }
//
//   /**
//    * 拦截admin
//    */
//   // if (path.startsWith("/admin")){
//   //   console.log("拦截admin")
//   //   let result=await  jwtUtil.verifysync(token,globalKey)
//   //   if (result.err){
//   //     jwtAlert(resp)
//   //     return
//   //   }else{
//   //     next()
//   //     return
//   //   }
//   //
//   // }

//   // /**
//   //  * 拦截upload
//   //  */
//   // if (path.startsWith("/upload")){
//   //   next()
//   //   return
//   // }
//
//
// })
//
// /**
//  * 未授权返回状态提示
//  * @param resp
//  */
// function jwtAlert(resp){
//   resp.status(401).send("该功能只能有登录用户使用,请前往登录页面进行登录")
// }

app.use('/', indexRouter);
app.use('/users', usersRouter);
app.use('/admin', adminRouter);
app.use('/house', houseRouter);
app.use('/poster', posterRouter);
app.use('/parking', parkingRouter);
app.use('/cost', costRouter);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;
